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How to organize large R programs?
...take an R project of any complexity, my scripts quickly get long and confusing.
11 Answers
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When to use margin vs padding in CSS [closed]
When writing CSS, is there a particular rule or guideline that should be used in deciding when to use margin and when to use padding ?
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Android – Listen For Incoming SMS Messages
I am trying to create an application for monitoring incoming SMS messages, and launch a program via incoming SMS, also it should read the content from the SMS.
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How to tell if node.js is installed or not
I've recently installed node.js and I have no idea how to run applications. I installed node.js but couldn't find further instructions. What does one really need to do? I wanted to see if it was actually working. So I executed a script called hello.js. It went as such:
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What character to use to put an item at the end of an alphabetic list?
I often prepend ' _ ' to the item I want in first position.
Is there some sort of magical character I could use to put an item at the end of the list?
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A Java collection of value pairs? (tuples?)
I like how Java has a Map where you can define the types of each entry in the map, for example <String, Integer> .
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C# Lambda expressions: Why should I use them?
...be converted to expression trees which allows for a lot of the magic like LINQ to SQL.
The following is an example of a LINQ to Objects expression using anonymous delegates then lambda expressions to show how much easier on the eye they are:
// anonymous delegate
var evens = Enumerable
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Error 908: Permission Receive SMS - #5 by Taifun - MIT App Inventor Help - MIT App Inventor Community
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.dots {
animation-name: loader;
animation-timing-function: ease-in-out;
animation-duration: 3s;
animation-iteration-count: infinite;
animation-play-state: var(--animation-state);
stroke: #fff;
stroke-width: 0.5px;
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Why is Java's Iterator not an Iterable?
Why does the Iterator interface not extend Iterable ?
16 Answers
16
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What is an example of the Liskov Substitution Principle?
I have heard that the Liskov Substitution Principle (LSP) is a fundamental principle of object oriented design. What is it and what are some examples of its use?
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